1 /* 2 * Copyright (c) 2000,2005 Silicon Graphics, Inc. 3 * All Rights Reserved. 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it would be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 #ifndef __XFS_TRANS_SPACE_H__ 19 #define __XFS_TRANS_SPACE_H__ 20 21 /* 22 * Components of space reservations. 23 */ 24 #define XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) \ 25 (((mp)->m_alloc_mxr[0]) - ((mp)->m_alloc_mnr[0])) 26 #define XFS_EXTENTADD_SPACE_RES(mp,w) (XFS_BM_MAXLEVELS(mp,w) - 1) 27 #define XFS_NEXTENTADD_SPACE_RES(mp,b,w)\ 28 (((b + XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) - 1) / \ 29 XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp)) * \ 30 XFS_EXTENTADD_SPACE_RES(mp,w)) 31 #define XFS_DAENTER_1B(mp,w) \ 32 ((w) == XFS_DATA_FORK ? (mp)->m_dir_geo->fsbcount : 1) 33 #define XFS_DAENTER_DBS(mp,w) \ 34 (XFS_DA_NODE_MAXDEPTH + (((w) == XFS_DATA_FORK) ? 2 : 0)) 35 #define XFS_DAENTER_BLOCKS(mp,w) \ 36 (XFS_DAENTER_1B(mp,w) * XFS_DAENTER_DBS(mp,w)) 37 #define XFS_DAENTER_BMAP1B(mp,w) \ 38 XFS_NEXTENTADD_SPACE_RES(mp, XFS_DAENTER_1B(mp, w), w) 39 #define XFS_DAENTER_BMAPS(mp,w) \ 40 (XFS_DAENTER_DBS(mp,w) * XFS_DAENTER_BMAP1B(mp,w)) 41 #define XFS_DAENTER_SPACE_RES(mp,w) \ 42 (XFS_DAENTER_BLOCKS(mp,w) + XFS_DAENTER_BMAPS(mp,w)) 43 #define XFS_DAREMOVE_SPACE_RES(mp,w) XFS_DAENTER_BMAPS(mp,w) 44 #define XFS_DIRENTER_MAX_SPLIT(mp,nl) 1 45 #define XFS_DIRENTER_SPACE_RES(mp,nl) \ 46 (XFS_DAENTER_SPACE_RES(mp, XFS_DATA_FORK) * \ 47 XFS_DIRENTER_MAX_SPLIT(mp,nl)) 48 #define XFS_DIRREMOVE_SPACE_RES(mp) \ 49 XFS_DAREMOVE_SPACE_RES(mp, XFS_DATA_FORK) 50 #define XFS_IALLOC_SPACE_RES(mp) \ 51 ((mp)->m_ialloc_blks + \ 52 (xfs_sb_version_hasfinobt(&mp->m_sb) ? 2 : 1 * \ 53 ((mp)->m_in_maxlevels - 1))) 54 55 /* 56 * Space reservation values for various transactions. 57 */ 58 #define XFS_ADDAFORK_SPACE_RES(mp) \ 59 ((mp)->m_dir_geo->fsbcount + XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK)) 60 #define XFS_ATTRRM_SPACE_RES(mp) \ 61 XFS_DAREMOVE_SPACE_RES(mp, XFS_ATTR_FORK) 62 /* This macro is not used - see inline code in xfs_attr_set */ 63 #define XFS_ATTRSET_SPACE_RES(mp, v) \ 64 (XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK) + XFS_B_TO_FSB(mp, v)) 65 #define XFS_CREATE_SPACE_RES(mp,nl) \ 66 (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) 67 #define XFS_DIOSTRAT_SPACE_RES(mp, v) \ 68 (XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + (v)) 69 #define XFS_GROWFS_SPACE_RES(mp) \ 70 (2 * XFS_AG_MAXLEVELS(mp)) 71 #define XFS_GROWFSRT_SPACE_RES(mp,b) \ 72 ((b) + XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK)) 73 #define XFS_LINK_SPACE_RES(mp,nl) \ 74 XFS_DIRENTER_SPACE_RES(mp,nl) 75 #define XFS_MKDIR_SPACE_RES(mp,nl) \ 76 (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) 77 #define XFS_QM_DQALLOC_SPACE_RES(mp) \ 78 (XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + \ 79 XFS_DQUOT_CLUSTER_SIZE_FSB) 80 #define XFS_QM_QINOCREATE_SPACE_RES(mp) \ 81 XFS_IALLOC_SPACE_RES(mp) 82 #define XFS_REMOVE_SPACE_RES(mp) \ 83 XFS_DIRREMOVE_SPACE_RES(mp) 84 #define XFS_RENAME_SPACE_RES(mp,nl) \ 85 (XFS_DIRREMOVE_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) 86 #define XFS_SYMLINK_SPACE_RES(mp,nl,b) \ 87 (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl) + (b)) 88 #define XFS_IFREE_SPACE_RES(mp) \ 89 (xfs_sb_version_hasfinobt(&mp->m_sb) ? (mp)->m_in_maxlevels : 0) 90 91 92 #endif /* __XFS_TRANS_SPACE_H__ */ 93